According to the Rabatak inscription, Kujula Kadphises was the great grandfather of the great Kushan king Kanishka I. He is considered as the founder of the Kushan Empire. He died in the year 80 A.D.
The Kadambas had their capital at Vaijayanti or Banavasi in north Kanara district in the state of Karnataka. The Kadambas were contemporaries of the Pallavas. They claimed to be Brahmanas. The Kadamba dynasty was founded by Mayurasharman.
According to B. B. Lal, former DG of ASI, Kalibangan site shows that an earthquake occured around 2600 BC, which brought to an end the Early Indus settlement at the site. It is perhaps the earliest archaeologically recorded earthquake.